| Message ID | 20210304174407.17537-1-broonie@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] arm64: defconfig: Use DEBUG_INFO_REDUCED | expand |
On Thu, Mar 04, 2021 at 05:44:07PM +0000, Mark Brown wrote: > We've had DEBUG_INFO enabled for arm64 defconfigs since the initial > commit. This is probably not that frequently used but substantially > inflates the size of the build tree and amount of I/O needed during the > build. This was causing issues with storage usage in some automated CI > environments which don't expect defconfigs to be quite this big, and > generally increases the resource consumption for both them and people > doing local builds. The main use case for the debug info is decoding > things with scripts/faddr2line but that doesn't need the full > DEBUG_INFO, DEBUG_INFO_REDUCED is enough for it, so enable that by > default. > > Without this patch my build tree is 6.8G, with it the size drops to 2G > (smaller than the 6.4G for allmodconfig!). > > Suggested-by: Catalin Marinas <catalin.marinas@arm.com> > Reported-by: Guillaume Tucker <guillaume.tucker@collabora.com> > Signed-off-by: Mark Brown <broonie@kernel.org> > Acked-by: Kevin Hilman <khilman@baylibre.com> > --- > arch/arm64/configs/defconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index d612f633b771..8793a9cb9d4b 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -1156,6 +1156,7 @@ CONFIG_CRYPTO_DEV_HISI_TRNG=m > CONFIG_CMA_SIZE_MBYTES=32 > CONFIG_PRINTK_TIME=y > CONFIG_DEBUG_INFO=y > +CONFIG_DEBUG_INFO_REDUCED=y > CONFIG_MAGIC_SYSRQ=y > CONFIG_DEBUG_FS=y > CONFIG_DEBUG_KERNEL=y I gave this a spin with clang and it looks alright! Are you targetting 5.12 with this or can it wait until 5.13? I can't tell how big a deal it is on the CI side of things. Will
On Thu, Mar 04, 2021 at 06:30:34PM +0000, Will Deacon wrote: > I gave this a spin with clang and it looks alright! Are you targetting 5.12 > with this or can it wait until 5.13? I can't tell how big a deal it is on > the CI side of things. v5.13 should be fine, it's more annoying for CI users than anything else I think - KernelCI certainly dealt with it already.
On Thu, Mar 04, 2021 at 06:33:26PM +0000, Mark Brown wrote: > On Thu, Mar 04, 2021 at 06:30:34PM +0000, Will Deacon wrote: > > > I gave this a spin with clang and it looks alright! Are you targetting 5.12 > > with this or can it wait until 5.13? I can't tell how big a deal it is on > > the CI side of things. > > v5.13 should be fine, it's more annoying for CI users than anything else > I think - KernelCI certainly dealt with it already. Ok, in which case: Acked-by: Will Deacon <will@kernel.org> and I'll leave it to Catalin. Will
On Thu, 4 Mar 2021 17:44:07 +0000, Mark Brown wrote: > We've had DEBUG_INFO enabled for arm64 defconfigs since the initial > commit. This is probably not that frequently used but substantially > inflates the size of the build tree and amount of I/O needed during the > build. This was causing issues with storage usage in some automated CI > environments which don't expect defconfigs to be quite this big, and > generally increases the resource consumption for both them and people > doing local builds. The main use case for the debug info is decoding > things with scripts/faddr2line but that doesn't need the full > DEBUG_INFO, DEBUG_INFO_REDUCED is enough for it, so enable that by > default. > > [...] Applied to arm64 (for-next/misc), thanks! [1/1] arm64: defconfig: Use DEBUG_INFO_REDUCED https://git.kernel.org/arm64/c/ed938a4bfc58
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index d612f633b771..8793a9cb9d4b 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -1156,6 +1156,7 @@ CONFIG_CRYPTO_DEV_HISI_TRNG=m CONFIG_CMA_SIZE_MBYTES=32 CONFIG_PRINTK_TIME=y CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_INFO_REDUCED=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y CONFIG_DEBUG_KERNEL=y